diff --git a/conda_lock/conda_lock.py b/conda_lock/conda_lock.py
index a7659d3f8..e174b59eb 100644
--- a/conda_lock/conda_lock.py
+++ b/conda_lock/conda_lock.py
@@ -1107,6 +1107,7 @@ def run_lock(
     _conda_exe = determine_conda_executable(
         conda_exe, mamba=mamba, micromamba=micromamba
     )
+    logger.debug(f"Using conda executable: {_conda_exe}")
     make_lock_files(
         conda=_conda_exe,
         src_files=environment_files,
diff --git a/conda_lock/conda_solver.py b/conda_lock/conda_solver.py
index b0d6490ba..f75016c1a 100644
--- a/conda_lock/conda_solver.py
+++ b/conda_lock/conda_solver.py
@@ -493,10 +493,7 @@ def update_specs_for_arch(
         for package in set(installed).difference(updated):
             entry = installed[package]
             fn = f'{entry["dist_name"]}.tar.bz2'
-            if is_micromamba(conda):
-                channel = f'{entry["base_url"]}'
-            else:
-                channel = f'{entry["base_url"]}/{entry["platform"]}'
+            channel = f'{entry["base_url"]}/{entry["platform"]}'
             url = f"{channel}/{fn}"
             md5 = locked[package].hash.md5
             if md5 is None: